Hardware: -
1:Key board— Herman Hollerith,
first keypunch
devices in 1930’s
-
2:Transistor— John Bardeen,
Walter Brattain&Wiliam
Shockley ( 1947-48)
-
3:RAM— An Wang and Jay
Forrester (1951)
-
4:Trackball— Tom Cranston and
Fred Longstaff (1952)
-
5:Hard Disk— IBM , The IBM
Model350 Disk File (1956 )
-
6:Integrated Circuit— Jack
Kilby&Robert Noyce
( 1958)
-
7:Computer Mouse — Douglas
Engelbart (1964)
-
8:Laser printer— Gary
Starkweather at XEROX in1969.
-
9:Floppy Disk— Alan
Shugart&IBM( 1970)
-
10:Microprocess -or— Faggin,
Hoff&Mazor – Intel 4004
(1971)
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